[PATCH] cris: task_pt_regs()

Signed-off-by: Al Viro <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/cris/arch-v10/kernel/process.c

···
  */
 unsigned long thread_saved_pc(struct task_struct *t)
 {
-	return (unsigned long)user_regs(t->thread_info)->irp;
+	return task_pt_regs(t)->irp;
 }
 
 static void kernel_thread_helper(void* dummy, int (*fn)(void *), void * arg)
···
 	 * remember that the task_struct doubles as the kernel stack for the task
 	 */
 
-	childregs = user_regs(p->thread_info);        
+	childregs = task_pt_regs(p);
         
 	*childregs = *regs;  /* struct copy of pt_regs */
         

arch/cris/arch-v10/kernel/ptrace.c

···
 	if (regno == PT_USP)
 		return task->thread.usp;
 	else if (regno < PT_MAX)
-		return ((unsigned long *)user_regs(task->thread_info))[regno];
+		return ((unsigned long *)task_pt_regs(task))[regno];
 	else
 		return 0;
 }
···
 	if (regno == PT_USP)
 		task->thread.usp = data;
 	else if (regno < PT_MAX)
-		((unsigned long *)user_regs(task->thread_info))[regno] = data;
+		((unsigned long *)task_pt_regs(task))[regno] = data;
 	else
 		return -1;
 	return 0;

arch/cris/arch-v32/kernel/process.c

···
  */
 unsigned long thread_saved_pc(struct task_struct *t)
 {
-	return (unsigned long)user_regs(t->thread_info)->erp;
+	return task_pt_regs(t)->erp;
 }
 
 static void
···
 	 * fix it up. Note: the task_struct doubles as the kernel stack for the
 	 * task.
 	 */
-	childregs = user_regs(p->thread_info);
+	childregs = task_pt_regs(p);
 	*childregs = *regs;	/* Struct copy of pt_regs. */
         p->set_child_tid = p->clear_child_tid = NULL;
         childregs->r10 = 0;	/* Child returns 0 after a fork/clone. */

arch/cris/arch-v32/kernel/ptrace.c

···
 	unsigned long ret;
 
 	if (regno <= PT_EDA)
-		ret = ((unsigned long *)user_regs(task->thread_info))[regno];
+		ret = ((unsigned long *)task_pt_regs(task))[regno];
 	else if (regno == PT_USP)
 		ret = task->thread.usp;
 	else if (regno == PT_PPC)
···
 int put_reg(struct task_struct *task, unsigned int regno, unsigned long data)
 {
 	if (regno <= PT_EDA)
-		((unsigned long *)user_regs(task->thread_info))[regno] = data;
+		((unsigned long *)task_pt_regs(task))[regno] = data;
 	else if (regno == PT_USP)
 		task->thread.usp = data;
 	else if (regno == PT_PPC) {
 		/* Write pseudo-PC to ERP only if changed. */
 		if (data != get_pseudo_pc(task))
-			((unsigned long *)user_regs(task->thread_info))[PT_ERP] = data;
+			task_pt_regs(task)->erp = data;
 	} else if (regno <= PT_MAX)
 		return put_debugreg(task->pid, regno, data);
 	else

include/asm-cris/processor.h

···
  * Dito but for the currently running task
  */
 
-#define current_regs() user_regs(current->thread_info)
+#define task_pt_regs(task) user_regs(task_thread_info(task))
+#define current_regs() task_pt_regs(current)
 
 static inline void prepare_to_copy(struct task_struct *tsk)
 {